AUSTIN (CBSDFW.COM/AP) — An abortion clinic operator has told a federal court that finding doctors is already difficult and that new requirements would force her to begin closing facilities.

Amy Hagstrom Miller told the court Tuesday that if her doctors must have admitting privileges at a hospital within 30 miles of her clinics in Fort Worth, McAllen and San Antonio, she’ll have to shut them down.

The federal court challenge to one of the toughest abortion laws in the country entered a second day. Closing arguments were scheduled for Wednesday.

The law makes abortions after 20 weeks illegal, requires that physicians performing abortions have privileges at a nearby hospital, restricts use of the abortion inducing drug RU-486, and requires that abortion facilities meet Ambulatory Surgical Center (ASC) standards.

The law passed the Legislature this summer despite a 12-plus hour Democratic filibuster and massive protests on both sides of the issue at the state Capitol.